PLZ TELL ME HOW TO get medals and exp cuz im realy a big noob :(

Like for instance make MC continue or MC prologue :D or help johanson make something new like the part c of the newest castle series or they make a whole new thing :D if you can combine castle with mc that will be the most crazyest thing in the world right ?:D

im a noob and i dont know how to gain level plz tell cuz i dont have no idea i know im not for ng but its awesome so i tried to do it but i cant gain xp plz tell me how people plz